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highWindowsbreaking changelearn_purview · Sep 12, 2026

Failure of updates KB5126052 & (KB5124008) (26200.9445) now microsoft apps won't work. - Microsoft Q&A

Users are experiencing issues with Microsoft apps due to failed updates, which can impact productivity and access to essential services.

“My computer is unable to complete the two updates listed above and comes up with installation error code 0x800706ba and 0x800706be. Since it has been trying to do these two updates I am unable to access any of my Microsoft apps. Edge opens for a few seconds and closes down and outlook says it will try to open in safe…”
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Security
endpoint_securitycloud_security
Audience
adminend_user
Environment
cloudon_premises
Classification confidence: 95%
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Failure of updates KB5126052 & (KB5124008) (26200.9445) now microsoft apps won't work. - Microsoft Q&A | 365Forge